@import url("https://fonts.googleapis.com/css?family=Lora:400,400i,700");
body {
    display: flex;
    flex-direction: column;
    height: 100vh;
    justify-content: center;
    align-items: center;
    background-image: linear-gradient(rgba(16, 16, 16, 0.8), rgba(16, 16, 16, 0.8)), url(https://i.loli.net/2019/10/18/buDT4YS6zUMfHst.jpg);
    background-size: cover;
}

p {
    margin: 0 9em;
    font-size: 3em;
    font-weight: 600;
}

.landIn {
    display: flex;
    flex-wrap: wrap;
    line-height: 2;
    color: white;
    font-family: lora, serif;
    /* 保留空格和换行符 */
    white-space: pre;
    span {
        animation: landIn 1s ease-out both infinite alternate;
    }
}

@keyframes landIn {
    from {
        opacity: 0;
        transform: translateY(-30%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}